[ --enable-checking[=LIST]
enable expensive run-time checks. With LIST,
enable only specific categories of checks.
- Categories are: assert,fold,gc,gcac,misc,
- rtlflag,rtl,runtime,tree,valgrind,release,yes,all;],
+ Categories are: yes,no,all,none,release.
+ Flags are: assert,fold,gc,gcac,misc,
+ rtlflag,rtl,runtime,tree,valgrind.],
[ac_checking_flags="${enableval}"],[
# Determine the default checks.
if test x$is_release = x ; then
fi])
ac_assert_checking=1
ac_checking=
-ac_tree_checking=
+ac_fold_checking=
+ac_gc_checking=
+ac_gc_always_collect=
ac_rtl_checking=
ac_rtlflag_checking=
ac_runtime_checking=1
-ac_gc_checking=
-ac_gc_always_collect=
-ac_fold_checking=
+ac_tree_checking=
+ac_valgrind_checking=
IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
for check in $ac_checking_flags
do
case $check in
+ # these set all the flags to specific states
yes) ac_assert_checking=1 ; ac_checking=1 ;
- ac_tree_checking=1 ; ac_gc_checking=1 ;
- ac_rtlflag_checking=1 ; ac_runtime_checking=1 ;;
- no) ac_assert_checking= ; ac_checking= ;
- ac_tree_checking= ; ac_rtl_checking= ;
- ac_rtlflag_checking= ; ac_gc_checking= ;
- ac_gc_always_collect= ; ac_fold_checking= ;;
+ ac_fold_checking= ; ac_gc_checking=1 ;
+ ac_gc_always_collect= ; ac_rtl_checking= ;
+ ac_rtlflag_checking=1 ; ac_runtime_checking=1 ;
+ ac_tree_checking=1 ; ac_valgrind_checking= ;;
+ no|none) ac_assert_checking= ; ac_checking= ;
+ ac_fold_checking= ; ac_gc_checking= ;
+ ac_gc_always_collect= ; ac_rtl_checking= ;
+ ac_rtlflag_checking= ; ac_runtime_checking= ;
+ ac_tree_checking= ; ac_valgrind_checking= ;;
all) ac_assert_checking=1 ; ac_checking=1 ;
- ac_tree_checking=1 ; ac_rtl_checking=1 ;
- ac_rtlflag_checking=1 ; ac_runtime_checking=1;
- ac_gc_checking=1 ; ac_gc_always_collect=1 ;
- ac_fold_checking=1 ;;
- release) ac_assert_checking=1 ; ac_runtime_checking=1 ;;
+ ac_fold_checking=1 ; ac_gc_checking=1 ;
+ ac_gc_always_collect=1 ; ac_rtl_checking=1 ;
+ ac_rtlflag_checking=1 ; ac_runtime_checking=1 ;
+ ac_tree_checking=1 ; ac_valgrind_checking= ;;
+ release) ac_assert_checking=1 ; ac_checking= ;
+ ac_fold_checking= ; ac_gc_checking= ;
+ ac_gc_always_collect= ; ac_rtl_checking= ;
+ ac_rtlflag_checking= ; ac_runtime_checking=1 ;
+ ac_tree_checking= ; ac_valgrind_checking= ;;
+ # these enable particular checks
assert) ac_assert_checking=1 ;;
fold) ac_fold_checking=1 ;;
gc) ac_gc_checking=1 ;;
gcac) ac_gc_always_collect=1 ;;
misc) ac_checking=1 ;;
- rtlflag) ac_rtlflag_checking=1 ;;
rtl) ac_rtl_checking=1 ;;
+ rtlflag) ac_rtlflag_checking=1 ;;
runtime) ac_runtime_checking=1 ;;
tree) ac_tree_checking=1 ;;
- valgrind) ac_checking_valgrind=1 ;;
+ valgrind) ac_valgrind_checking=1 ;;
*) AC_MSG_ERROR(unknown check category $check) ;;
esac
done
AC_DEFINE(ENABLE_ASSERT_CHECKING, 1,
[Define if you want assertions enabled. This is a cheap check.])
fi
+GCC_TARGET_TEMPLATE(ENABLE_RUNTIME_CHECKING)
if test x$ac_runtime_checking != x ; then
AC_DEFINE(ENABLE_RUNTIME_CHECKING, 1,
[Define if you want runtime assertions enabled. This is a cheap check.])
dnl # in converting to autoconf 2.5x!
AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no)
-if test x$ac_checking_valgrind != x ; then
+if test x$ac_valgrind_checking != x ; then
# It is certainly possible that there's valgrind but no valgrind.h.
# GCC relies on making annotations so we must have both.
AC_MSG_CHECKING(for VALGRIND_DISCARD in <valgrind/memcheck.h>)
# These tests can't be done till we know if we have limits.h.
gcc_AC_C_CHAR_BIT
-AC_C_BIGENDIAN_CROSS
+AC_C_BIGENDIAN
# --------
# UNSORTED
dnl Disabled until we have a complete test for buggy enum bitfields.
dnl gcc_AC_C_ENUM_BF_UNSIGNED
+define(gcc_UNLOCKED_FUNCS, clearerr_unlocked feof_unlocked dnl
+ ferror_unlocked fflush_unlocked fgetc_unlocked fgets_unlocked dnl
+ fileno_unlocked fprintf_unlocked fputc_unlocked fputs_unlocked dnl
+ fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked dnl
+ putchar_unlocked putc_unlocked)
AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \
- sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \
- fwrite_unlocked fprintf_unlocked getrusage nl_langinfo \
- scandir alphasort gettimeofday mbstowcs wcswidth mmap mincore \
- setlocale)
+ sysconf strsignal getrusage nl_langinfo scandir alphasort \
+ gettimeofday mbstowcs wcswidth mmap mincore setlocale \
+ gcc_UNLOCKED_FUNCS)
if test x$ac_cv_func_mbstowcs = xyes; then
AC_CACHE_CHECK(whether mbstowcs works, gcc_cv_func_mbstowcs_works,
# We will need to find libiberty.h and ansidecl.h
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
-gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \
- strsignal putc_unlocked fputs_unlocked fwrite_unlocked \
- fprintf_unlocked strstr errno snprintf vasprintf \
- malloc realloc calloc free basename getopt clock getpagesize, , ,[
+gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd strsignal \
+ strstr errno snprintf vsnprintf vasprintf malloc realloc calloc \
+ free basename getopt clock getpagesize gcc_UNLOCKED_FUNCS, , ,[
#include "ansidecl.h"
#include "system.h"])
build_xm_file="${build_auto} ansidecl.h ${build_xm_file}"
# We don't want ansidecl.h in target files, write code there in ISO/GNU C.
# put this back in temporarily.
-xm_file="ansidecl.h ${xm_file}"
+xm_file="auto-host.h ansidecl.h ${xm_file}"
# --------
# UNSORTED
BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD)'
if test "x$TARGET_SYSTEM_ROOT" = x; then
- if [ "x$STMP_FIXPROTO" != x ] ; then
+ if test "x$STMP_FIXPROTO" != x; then
STMP_FIXPROTO=stmp-install-fixproto
fi
fi
-e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
-e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
-e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
- -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p'`
+ -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
+ -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p'`
ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
+ ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
+ ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
+ ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
if test 0"$ld_date" -lt 20020404; then
if test -n "$ld_date"; then
# If there was date string, but was earlier than 2002-04-04, fail
# If there was no date string nor ld version number, something is wrong
gcc_cv_ld_hidden=no
else
- ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
- ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
- ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
test -z "$ld_vers_patch" && ld_vers_patch=0
if test "$ld_vers_major" -lt 2; then
gcc_cv_ld_hidden=no
fi])
libgcc_visibility=no
AC_SUBST(libgcc_visibility)
+GCC_TARGET_TEMPLATE([HAVE_GAS_HIDDEN])
if test $gcc_cv_as_hidden = yes && test $gcc_cv_ld_hidden = yes; then
libgcc_visibility=yes
AC_DEFINE(HAVE_GAS_HIDDEN, 1,
[Define 0/1 if your assembler supports marking sections with SHF_MERGE flag.])
gcc_GAS_CHECK_FEATURE(COMDAT group support, gcc_cv_as_comdat_group,
- [elf,2,15,91], [--fatal-warnings],
+ [elf,2,16,0], [--fatal-warnings],
[.section .text,"axG",@progbits,.foo,comdat])
if test $gcc_cv_as_comdat_group = yes; then
gcc_cv_as_comdat_group_percent=no
else
gcc_GAS_CHECK_FEATURE(COMDAT group support, gcc_cv_as_comdat_group_percent,
- [elf,2,15,91], [--fatal-warnings],
+ [elf,2,16,0], [--fatal-warnings],
[.section .text,"axG",%progbits,.foo,comdat])
fi
-AC_DEFINE_UNQUOTED(HAVE_GAS_COMDAT_GROUP,
+if test $in_tree_ld != yes && test x"$ld_vers" != x; then
+ comdat_group=yes
+ if test 0"$ld_date" -lt 20050308; then
+ if test -n "$ld_date"; then
+ # If there was date string, but was earlier than 2005-03-08, fail
+ comdat_group=no
+ elif test "$ld_vers_major" -lt 2; then
+ comdat_group=no
+ elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 16; then
+ comdat_group=no
+ fi
+ fi
+ if test $comdat_group = no; then
+ gcc_cv_as_comdat_group=no
+ gcc_cv_as_comdat_group_percent=no
+ fi
+fi
+AC_DEFINE_UNQUOTED(HAVE_COMDAT_GROUP,
[`if test $gcc_cv_as_comdat_group = yes || test $gcc_cv_as_comdat_group_percent = yes; then echo 1; else echo 0; fi`],
-[Define 0/1 if your assembler supports COMDAT group.])
+[Define 0/1 if your assembler and linker support COMDAT groups.])
# Thread-local storage - the check is heavily parametrized.
conftest_s=
powerpc*-*-*)
case $target in
- *-*-aix*) conftest_s=' .csect .text[[PR]]
+ *-*-aix*) conftest_s=' .machine "pwr5"
+ .csect .text[[PR]]
mfcr 3,128';;
*-*-darwin*)
gcc_GAS_CHECK_FEATURE([.machine directive support],
[$conftest_s],,
[AC_DEFINE(HAVE_AS_MFCRF, 1,
[Define if your assembler supports mfcr field.])])
+
+ case $target in
+ *-*-aix*) conftest_s=' .machine "pwr5"
+ .csect .text[[PR]]
+ popcntb 3,3';;
+ *) conftest_s=' .machine power5
+ .text
+ popcntb 3,3';;
+ esac
+
+ gcc_GAS_CHECK_FEATURE([popcntb support],
+ gcc_cv_as_powerpc_popcntb, [2,17,0],,
+ [$conftest_s],,
+ [AC_DEFINE(HAVE_AS_POPCNTB, 1,
+ [Define if your assembler supports popcntb field.])])
+
;;
mips*-*-*)
gcc_cv_ld_eh_frame_hdr=yes
fi
fi
+GCC_TARGET_TEMPLATE([HAVE_LD_EH_FRAME_HDR])
if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
[Define if your linker supports --eh-frame-hdr option.])
;;
esac
+AC_CACHE_CHECK(linker --sysroot support,
+ gcc_cv_ld_sysroot,
+ [gcc_cv_ld_sysroot=no
+ if test $in_tree_ld = yes ; then
+ if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2 ; then
+ gcc_cv_ld_sysroot = yes
+ fi
+ elif test x$gcc_cv_ld != x; then
+ if $gcc_cv_ld --help 2>/dev/null | grep sysroot > /dev/null; then
+ gcc_cv_ld_sysroot=yes
+ fi
+ fi])
+if test x"$gcc_cv_ld_sysroot" = xyes; then
+ AC_DEFINE(HAVE_LD_SYSROOT, 1,
+ [Define if your linker supports --sysroot.])
+fi
+
if test x$with_sysroot = x && test x$host = x$target \
&& test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include",
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